/*===========================================================================*\
*                                                                           *
*                               OpenMesh                                    *
*      Copyright (C) 2001-2005 by Computer Graphics Group, RWTH Aachen      *
*                           www.openmesh.org                                *
*                                                                           *
*---------------------------------------------------------------------------* 
*                                                                           *
*                                License                                    *
*                                                                           *
*  This library is free software; you can redistribute it and/or modify it  *
*  under the terms of the GNU Library General Public License as published   *
*  by the Free Software Foundation, version 2.                              *
*                                                                           *
*  This library is distributed in the hope that it will be useful, but      *
*  WITHOUT ANY WARRANTY; without even the implied warranty of               *
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        *
*  Library General Public License for more details.                         *
*                                                                           *
*  You should have received a copy of the GNU Library General Public        *
*  License along with this library; if not, write to the Free Software      *
*  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
*                                                                           *
\*===========================================================================*/


//=============================================================================
//
//  Implements an IOManager writer module for OBJ files
//
//=============================================================================


#ifndef __OBJWRITER_HH__
#define __OBJWRITER_HH__


//=== INCLUDES ================================================================


#include <string>
#include <stdio.h>

#include <Core/System/config.hh>
#include <Core/Utils/SingletonT.hh>
#include <Core/IO/exporter/BaseExporter.hh>
#include <Core/IO/writer/BaseWriter.hh>


//== NAMESPACES ===============================================================


namespace OpenMesh {
	namespace IO {


		//=== IMPLEMENTATION ==========================================================


		/** 
		This class defines the OBJ writer. This class is further singleton'ed
		by SingletonT to OBJWriter.
		*/
		class _OBJWriter_ : public BaseWriter
		{
		public:

			_OBJWriter_();

			std::string get_description() const  { return "Alias/Wavefront"; }
			std::string get_extensions()  const  { return "obj"; }

			bool write(const std::string&, BaseExporter&, Options) const;

			size_t binary_size(BaseExporter&, Options) const { return 0; }

		private:

			bool write(FILE*, BaseExporter&, Options) const;
		};


		//== TYPE DEFINITION ==========================================================


		/// Declare the single entity of the OBJ writer
		extern _OBJWriter_  __OBJWriterinstance;
		_OBJWriter_& OBJWriter();


		//=============================================================================
	} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================
